Solved: "Given: Rectangular: A=200m2, length=x Express the P as..." - Plainmath

allhvasstH

Answered question

2021-09-23

Given: Rectangular:

A = 200 m^{2}

, length=x
Express the P as a function of x"

Answer & Explanation

tabuordy

Skilled2021-09-24Added 90 answers

Let the width be w
$A = x w$
$200 = x w$
$w = \frac{200}{x}$
$P = 2 x + 2 w$
Substitute
$P (x) = 2 x + 2 (\frac{200}{x})$
$P (x) = 2 x + \frac{400}{x}$

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